Consolidated Statements of Stockholders' Equity - USD ($)	Total	Common Stock	Additional Paid In Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Beginning Balance (in shares) at Dec. 31, 2019		4,186,438
Beginning Balance at Dec. 31, 2019	$ 34,416,026	$ 4,187	$ 97,239,455	$ (62,827,616)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)		12,157
Exercise of stock options	90,000	$ 12	89,988
Exercise of warrants (in shares)		59,510
Exercise of warrants	595,101	$ 60	595,041
Stock based compensation	686,599		686,599
Net income (loss)	(1,684,643)			(1,684,643)
Other comprehensive Income (loss) - foreign currency translation adjustment	(293,491)				(293,491)
Ending Balance (in shares) at Mar. 31, 2020		4,258,105
Ending Balance at Mar. 31, 2020	33,809,592	$ 4,259	98,611,083	(64,512,259)	(293,491)
Beginning Balance (in shares) at Dec. 31, 2020		4,258,105
Beginning Balance at Dec. 31, 2020	35,492,242	$ 4,259	100,203,979	(64,689,065)	(26,931)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)		65,962
Exercise of stock options	579,619	$ 66	579,553
Restricted stock issued (in shares)		6,527
Restricted stock issued	0	$ 6	(6)
Stock based compensation	745,620		745,620
Net income (loss)	(2,844,230)			(2,844,230)
Other comprehensive Income (loss) - foreign currency translation adjustment	12,501				12,501
Ending Balance (in shares) at Mar. 31, 2021		4,330,594
Ending Balance at Mar. 31, 2021	$ 33,985,752	$ 4,331	$ 101,529,146	$ (67,533,295)	$ (14,430)